Outstanding Loans and Leases and Allowance for Credit Losses - Past Due (Details) - USD ($) $ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 979,124
|
$ 927,861
|
Percentage of outstandings, total outstanding |
100.00%
|
100.00%
|
Loans and leases, measured at fair value |
$ 7,819
|
$ 6,681
|
Loans and leases, pledged as collateral |
13,000
|
15,500
|
Loans pledged to secure borrowings |
146,600
|
153,100
|
Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 7,819
|
$ 6,681
|
Percentage of outstandings, total outstanding |
0.80%
|
0.72%
|
Direct/indirect consumer | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Nonperforming loans |
$ 55
|
$ 66
|
Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
435,704
|
428,796
|
Consumer Portfolio Segment | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
435,086
|
428,061
|
Consumer Portfolio Segment | Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
618
|
735
|
Consumer Portfolio Segment | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases, measured at fair value |
279
|
298
|
Consumer Portfolio Segment | Home equity lines of credit |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases, measured at fair value |
339
|
437
|
Consumer real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
27,935
|
34,311
|
Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Nonperforming loans |
1,400
|
1,200
|
Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
221,963
|
223,555
|
Consumer real estate | Residential Mortgage | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
221,963
|
223,555
|
Consumer real estate | Home Equity Loan | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
27,935
|
34,311
|
Credit card and other consumer | Credit card | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
81,438
|
78,708
|
Credit card and other consumer | Direct/indirect consumer | Dealer Financial Services Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
48,500
|
46,400
|
Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
51,100
|
41,100
|
Credit card and other consumer | Direct/indirect consumer | Securities Based Lending Loans | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
3,000
|
3,000
|
Credit card and other consumer | Direct/indirect consumer | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
103,560
|
91,363
|
Credit card and other consumer | Other consumer | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
190
|
124
|
Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
543,420
|
499,065
|
Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
325,936
|
288,728
|
Loans and leases, measured at fair value |
4,600
|
2,900
|
Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
113,266
|
90,460
|
Loans and leases, measured at fair value |
2,600
|
3,000
|
Commercial | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
536,219
|
493,119
|
Commercial | Carrying Value | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
325,936
|
288,728
|
Commercial | Carrying Value | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
113,266
|
90,460
|
Commercial | Estimate of Fair Value Measurement |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
7,201
|
5,946
|
Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
63,009
|
60,364
|
Commercial | Commercial real estate | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
58,200
|
57,200
|
Commercial | Commercial real estate | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
4,800
|
3,200
|
Commercial | Commercial real estate | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
63,009
|
60,364
|
Commercial | Commercial lease financing | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
14,825
|
17,098
|
Commercial | U.S. small business commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
12,051
|
29,934
|
Commercial | U.S. small business commercial | Carrying Value |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
19,183
|
36,469
|
30 to 59 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,884
|
$ 3,158
|
Percentage of outstandings |
0.29%
|
0.34%
|
30 to 59 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 1,573
|
$ 2,238
|
30 to 59 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
164
|
225
|
30 to 59 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
118
|
126
|
30 to 59 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,005
|
1,430
|
30 to 59 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
123
|
154
|
30 to 59 Days Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
298
|
445
|
30 to 59 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
147
|
209
|
30 to 59 Days Past Due | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
0
|
0
|
30 to 59 Days Past Due | Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,311
|
920
|
30 to 59 Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
815
|
561
|
30 to 59 Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
148
|
61
|
30 to 59 Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
115
|
128
|
30 to 59 Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
104
|
86
|
30 to 59 Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
129
|
84
|
60 to 89 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 1,279
|
$ 1,230
|
Percentage of outstandings |
0.13%
|
0.13%
|
60 to 89 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 630
|
$ 783
|
60 to 89 Days Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
89
|
103
|
60 to 89 Days Past Due | Consumer real estate | Nonperforming Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
100
|
95
|
60 to 89 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
297
|
297
|
60 to 89 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
69
|
78
|
60 to 89 Days Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
212
|
341
|
60 to 89 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
52
|
67
|
60 to 89 Days Past Due | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
0
|
0
|
60 to 89 Days Past Due | Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
649
|
447
|
60 to 89 Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
308
|
214
|
60 to 89 Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
20
|
44
|
60 to 89 Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
34
|
113
|
60 to 89 Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
28
|
20
|
60 to 89 Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
259
|
56
|
90 Days or More Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 3,311
|
$ 3,913
|
Percentage of outstandings |
0.34%
|
0.42%
|
90 Days or More Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 2,445
|
$ 2,984
|
90 Days or More Past Due | Consumer real estate | US Government Agency Insured Loans |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
633
|
762
|
90 Days or More Past Due | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,571
|
1,699
|
90 Days or More Past Due | Consumer real estate | Home Equity Loan |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
369
|
345
|
90 Days or More Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
487
|
903
|
90 Days or More Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
18
|
37
|
90 Days or More Past Due | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
0
|
0
|
90 Days or More Past Due | Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
866
|
929
|
90 Days or More Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
396
|
512
|
90 Days or More Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
83
|
11
|
90 Days or More Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
285
|
226
|
90 Days or More Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
13
|
57
|
90 Days or More Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
89
|
123
|
Total Past Due 30 Days or More |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 7,474
|
$ 8,301
|
Percentage of outstandings |
0.76%
|
0.89%
|
Total Past Due 30 Days or More | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 4,648
|
$ 6,005
|
Total Past Due 30 Days or More | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,873
|
3,426
|
Total Past Due 30 Days or More | Consumer real estate | Home Equity Loan |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
561
|
577
|
Total Past Due 30 Days or More | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
997
|
1,689
|
Total Past Due 30 Days or More | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
217
|
313
|
Total Past Due 30 Days or More | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
0
|
0
|
Total Past Due 30 Days or More | Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
2,826
|
2,296
|
Total Past Due 30 Days or More | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
1,519
|
1,287
|
Total Past Due 30 Days or More | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
251
|
116
|
Total Past Due 30 Days or More | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
434
|
467
|
Total Past Due 30 Days or More | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
145
|
163
|
Total Past Due 30 Days or More | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
477
|
263
|
Total Current or Less Than 30 Days Past Due |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 963,831
|
$ 912,879
|
Percentage of outstandings, total outstanding |
98.44%
|
98.39%
|
Total Current or Less Than 30 Days Past Due | Consumer Portfolio Segment |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 430,438
|
$ 422,056
|
Total Current or Less Than 30 Days Past Due | Consumer real estate | Residential Mortgage |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
219,090
|
220,129
|
Total Current or Less Than 30 Days Past Due | Consumer real estate | Home Equity Loan |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
27,374
|
33,734
|
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Credit card |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
80,441
|
77,019
|
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Direct/indirect consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
103,343
|
91,050
|
Total Current or Less Than 30 Days Past Due | Credit card and other consumer | Other consumer |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
190
|
124
|
Total Current or Less Than 30 Days Past Due | Commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
533,393
|
490,823
|
Total Current or Less Than 30 Days Past Due | Commercial | United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
324,417
|
287,441
|
Total Current or Less Than 30 Days Past Due | Commercial | Non United States |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
113,015
|
90,344
|
Total Current or Less Than 30 Days Past Due | Commercial | Commercial real estate |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
62,575
|
59,897
|
Total Current or Less Than 30 Days Past Due | Commercial | Commercial lease financing |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
14,680
|
16,935
|
Total Current or Less Than 30 Days Past Due | Commercial | U.S. small business commercial |
|
|
Financing Receivable, Past Due [Line Items] |
|
|
Loans and leases |
$ 18,706
|
$ 36,206
|